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The transient suppression for piezoelectric ceramic emission transducer
  • 时间:0
  • 分类:O4[理学—物理]
  • 作者机构:[1]Institute of Acoustics, The Chinese Academy of Sciences Beijing 100190
  • 相关基金:This work was supported by the National Natural Science Foundation of China (10074069, 10574137).
  • 相关项目:单模发射技术研究
中文摘要:

为压电的陶器的变换器的一个短暂抑制方法是把一些特殊柱脚脉搏加到原来的播送信号的 presented.By,在变换器的输出的短暂效果能是公平的精确取消了,从而由一个 narrowband 变换器的使用完成宽带传播。试验性的结果证明窦状隙脉搏和编码信号的短暂回答成功地被压制,散发进包围的水的声学的波形显著地被改进。

英文摘要:

A transient suppression method for piezoelectric ceramic transducer is presented. By adding some special pedestal pulses to the original transmitted signal, the transient effects in the output of the transducer can be just precisely transmission by use of a narrowband transducer. canceled, thereby achieving the broadband The experimental results show that the transient responses of the sinusoid pulses and coded signals are suppressed successfully and the acoustic waveforms radiated into the surrounding water are improved significantly.

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